Seaport Entertainment (SEG) CPO reports RSU grant and tax share withholding

Rhea-AI Filing Summary

Seaport Entertainment Group Inc. Chief People Officer Rebecca E. Sachs reported equity compensation activity and related tax withholding. On February 26, 2026, she acquired 7,858 shares of common stock at $0.00 per share as a grant under the 2024 Equity Incentive Plan, representing restricted stock units. According to the grant terms, 1,009 RSUs vest on February 27, 2027 and 6,849 RSUs vest in three substantially equal annual installments beginning on that date, subject to continued service. On February 27, 2026, the company withheld 987 shares of common stock to cover tax liabilities triggered by vesting, a tax-withholding disposition rather than an open-market sale. Following these transactions, Sachs held 24,084 shares of common stock directly.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Sachs Rebecca E.

Role Chief People Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	987	$23.36	$23K
Grant/Award	Common Stock	7,858	$0.00	--

Holdings After Transaction: Common Stock — 24,084 shares (Direct)

Footnotes (1)

1. Represents restricted stock units ("RSUs") granted to the Reporting Person pursuant to Seaport Entertainment Group Inc.'s (the "Issuer") 2024 Equity Incentive Plan (the "Plan"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. 1,009 RSUs vest on February 27, 2027 and 6,849 RSUs vest in three substantially equal annual installments beginning on February 27, 2027, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date. On February 27, 2026, the Issuer withheld 987 shares of common stock of the Issuer from the Reporting Person for payment of the tax liability incident to the vesting of shares of common stock granted by the Issuer pursuant to the terms of the Plan.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sachs Rebecca E.

(Last) (First) (Middle)

199 WATER STREET

28TH FLOOR

(Street)

NEW YORK NY 10038

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Seaport Entertainment Group Inc. [ SEG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief People Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/26/2026		A		7,858(1)	A	$0	25,071	D
Common Stock	02/27/2026		F(2)		987	D	$23.36	24,084	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units ("RSUs") granted to the Reporting Person pursuant to Seaport Entertainment Group Inc.'s (the "Issuer") 2024 Equity Incentive Plan (the "Plan"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. 1,009 RSUs vest on February 27, 2027 and 6,849 RSUs vest in three substantially equal annual installments beginning on February 27, 2027, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.

2. On February 27, 2026, the Issuer withheld 987 shares of common stock of the Issuer from the Reporting Person for payment of the tax liability incident to the vesting of shares of common stock granted by the Issuer pursuant to the terms of the Plan.

	/s/ Lucy Fato, Attorney-in-Fact	03/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Seaport Entertainment (SEG) report for Rebecca E. Sachs?

Rebecca E. Sachs reported an equity grant and a tax-related share withholding. She received 7,858 shares of common stock as a grant, then had 987 shares withheld to cover tax liabilities from vesting, ending with direct ownership of 24,084 shares.

Was the Seaport Entertainment (SEG) Form 4 transaction a stock sale by Rebecca E. Sachs?

The filing shows a tax-withholding disposition, not an open-market sale. Seaport Entertainment withheld 987 shares to satisfy tax obligations tied to vesting of prior equity awards, consistent with transaction code F for payment of tax liability using shares.

What equity award did Rebecca E. Sachs receive from Seaport Entertainment (SEG)?

She received 7,858 shares tied to restricted stock units under the 2024 Equity Incentive Plan at $0.00 per share. Each RSU represents a contingent right to one common share, with vesting dependent on her continued service with Seaport Entertainment or its subsidiaries.

What is the vesting schedule for Rebecca E. Sachs’s RSUs at Seaport Entertainment (SEG)?

The RSU grant vests over time based on continued service. 1,009 RSUs vest on February 27, 2027, while 6,849 RSUs vest in three substantially equal annual installments starting on February 27, 2027, subject to her remaining with the company.

How many Seaport Entertainment (SEG) shares does Rebecca E. Sachs own after these transactions?

After the reported Form 4 transactions, Sachs directly owns 24,084 shares of Seaport Entertainment common stock. This figure reflects both the equity grant and the 987-share withholding for tax purposes associated with vesting of previously granted shares.

What do Form 4 transaction codes A and F mean in the Seaport Entertainment (SEG) filing?

Code A indicates a grant, award, or other acquisition of securities, here 7,858 shares at no cost. Code F indicates shares withheld by the issuer, in this case 987 shares, to pay tax liabilities tied to vesting of equity awards rather than a market sale.